component
TPSMB22A
Public Made by Adomby adom
Littelfuse TVS, DO-214AA. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439
{
"schema_version": 1,
"type": "component",
"slug": "tpsmb22a",
"title": "TPSMB22A",
"brief": "Littelfuse TVS, DO-214AA. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"version": "0.1.0",
"license": "CC-BY-SA-4.0",
"tags": [
"component",
"circuit protection",
"tpsmb22a",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "TPSMB22A",
"manufacturer": "Littelfuse",
"package": "DO-214AA",
"pin_count": 2,
"category": "Circuit Protection",
"subcategory": "TVS",
"datasheet": "https://datasheet.lcsc.com/datasheet/pdf/c4b05efd8433d3cce79b8c6653d5b081.pdf",
"parts": {
"symbol": "tpsmb22a.kicad_sym",
"footprint": "tpsmb22a.kicad_mod",
"model_3d": "tpsmb22a-hero.glb",
"model_3d_plain": "tpsmb22a-etched.glb",
"model_3d_step": "tpsmb22a-etched.step",
"model_3d_step_plain": "tpsmb22a.step",
"lbr": "tpsmb22a.lbr"
},
"distributor_links": {
"lcsc": "C1975240",
"digikey": "F6314TR-ND",
"mouser": "576-TPSMB22A"
},
"distributor_check": {
"checked_at": "2026-10-31T06:22:27Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "F6314TR-ND",
"status": "found",
"lifecycle": "Active"
},
"mouser": {
"pn": "576-TPSMB22A",
"status": "found"
}
},
"pins": [
{
"number": "1",
"name": "K",
"type": "passive",
"description": "Cathode of the unidirectional TVS diode, marked by the color/cathode band on the DO-214AA (SMB J-Bend) body; the TPSMB22A has a 18.80 V min to 23.10 V max breakdown voltage and 20.9 V... see standoff 18.80 V VR."
},
{
"number": "2",
"name": "A",
"type": "passive",
"description": "Anode of the unidirectional TVS diode on the DO-214AA (SMB J-Bend) package, the terminal opposite the cathode band, with a maximum clamping voltage of 30.6 V at 19.9 A peak pulse current."
}
],
"provenance": {
"extractor": "extract_pins 0.3",
"factory_chain": {
"factory": "2.0.0",
"extractor": "extract_pins 0.3",
"primary_model": "claude-sonnet-5-5",
"primary_mode": "text",
"consensus_model": "claude-sonnet-5-5",
"consensus": "agreed",
"guards": "pin_guards 0.1: passed",
"guard_notes": [
"extractor flagged: The datasheet has no numbered pin table. Pin numbers 1 (cathode) and 2 (anode) are inferred from the; The pin 1 description contains a garbled value. The datasheet lists VR as 18.80 V and VBR as 18.80 V"
],
"pages_sent": 6,
"cost_usd": 0.077,
"at": "2026-10-31T06:21:57"
},
"datasheet": {
"url": "https://datasheet.lcsc.com/datasheet/pdf/c4b05efd8433d3cce79b8c6653d5b081.pdf",
"pages": 6,
"sha256": "8cc50e1afb0bea8d",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 2,
"described": 2,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
"models_3d": [
{
"file": "tpsmb22a.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
5.3,
3.55,
2.15
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "029466277d91e9f5492556be93e46611049e07115c7913880c547afa96058ed4",
"checked": "2026-10-31",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "tpsmb22a-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
5.3,
3.55,
2.15
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "caf7ea99d15870198b9cfbc0fe598df11802e55e7bb4bc71f9d85fd17aa97c43",
"checked": "2026-10-31",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
],
"package_dims": {
"package_code": "DO-214AA",
"source_page": 5,
"D": {
"nom_mm": 4.315,
"range_mm": [
4.06,
4.57
]
},
"E1": {
"nom_mm": 3.62,
"range_mm": [
3.3,
3.94
]
},
"E": {
"nom_mm": 5.4,
"range_mm": [
5.21,
5.59
]
},
"A": {
"nom_mm": 2.285,
"range_mm": [
2.13,
2.44
]
},
"source": "datasheet package drawing, every number found on its page (extract_pins --task dims)",
"model_check": {
"file": "tpsmb22a.step",
"verdict": "PASS",
"reasons": [
"height and body within the datasheet's package drawing"
],
"by": "factory/package_fit.py"
}
}
},
"metadata": {
"specs": {
"Manufacturer": "Littelfuse",
"Package": "DO-214AA",
"Category": "Circuit Protection",
"Pins": "2"
},
"appearance": {
"contacts": {
"quote": "260°C/10 seconds at terminals ■ Matte tin lead–free plated",
"page": 1,
"doc": "ds.pdf",
"plating": "tin"
},
"version": 1,
"datasheet_sha256": "8cc50e1afb0bea8dc15a76bc24128592d5507d24bbf1bc70a03b690ea4ce2a21"
},
"characteristics": {
"version": 1,
"source": "datasheet",
"datasheet_sha256": "8cc50e1afb0bea8dc15a76bc24128592d5507d24bbf1bc70a03b690ea4ce2a21",
"rows": [
{
"name": "Breakdown Voltage",
"symbol": "VBR",
"kind": "electrical",
"unit": "V",
"min": 20.9,
"typ": null,
"max": 23.1,
"conditions": "@ IT = 1 mA (TPSMB22A column Min 18.80 / Max 23.10 as printed)",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Breakdown Voltage (minimum column)",
"symbol": "VBR",
"kind": "electrical",
"unit": "V",
"min": 18.8,
"typ": null,
"max": null,
"conditions": "@ IT = 1 mA",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Maximum Clamping Voltage",
"symbol": "VC",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": null,
"max": 30.6,
"conditions": "@ Ipp = 19.9 A",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Maximum Peak Pulse Current",
"symbol": "Ipp",
"kind": "electrical",
"unit": "A",
"min": null,
"typ": null,
"max": 19.9,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Maximum Reverse Leakage",
"symbol": "IR",
"kind": "electrical",
"unit": "µA",
"min": null,
"typ": null,
"max": 1,
"conditions": "@ VR",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Maximum Temperature coefficient of VBR",
"symbol": "αT",
"kind": "temperature_coefficient",
"unit": "%/C",
"min": null,
"typ": null,
"max": 0.088,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Peak Pulse Power Dissipation",
"symbol": "PPPM",
"kind": "absolute_maximum",
"unit": "W",
"min": null,
"typ": null,
"max": 600,
"conditions": "10/1000µs waveform, TA=25°C",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Power Dissipation on infinite heat sink",
"symbol": "PM(AV)",
"kind": "absolute_maximum",
"unit": "W",
"min": null,
"typ": null,
"max": 5,
"conditions": "TL=50°C",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Peak Forward Surge Current",
"symbol": "IFSM",
"kind": "absolute_maximum",
"unit": "A",
"min": null,
"typ": null,
"max": 100,
"conditions": "8.3ms single half sine wave, unidirectional only",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Maximum Instantaneous Forward Voltage",
"symbol": "VF",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": null,
"max": 3.5,
"conditions": "at 50A, unidirectional only; VF<3.5V for Vbr<300V",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Operating Junction Temperature Range",
"symbol": "TJ",
"kind": "absolute_maximum",
"unit": "°C",
"min": -65,
"typ": null,
"max": 175,
"conditions": "VBR≤91V",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Storage Temperature Range",
"symbol": "TSTG",
"kind": "absolute_maximum",
"unit": "°C",
"min": -65,
"typ": null,
"max": 175,
"conditions": "",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Typical Thermal Resistance Junction to Lead",
"symbol": "RθJL",
"kind": "thermal",
"unit": "°C/W",
"min": null,
"typ": 20,
"max": null,
"conditions": "",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Typical Thermal Resistance Junction to Ambient",
"symbol": "RθJA",
"kind": "thermal",
"unit": "°C/W",
"min": null,
"typ": 100,
"max": null,
"conditions": "",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Reverse Stand off Voltage",
"symbol": "VR",
"kind": "recommended_operating",
"unit": "V",
"min": null,
"typ": 18.8,
"max": null,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Typical IR at 150°C",
"symbol": "IR",
"kind": "electrical",
"unit": "µA",
"min": null,
"typ": 8,
"max": null,
"conditions": "@150°C",
"source_page": 2,
"source": "datasheet"
}
]
}
},
"variants": [],
"sections": [
"hero",
"viewers",
"readme",
"breadcrumbs",
"info"
],
"discovery_triggers": [
"tpsmb22a"
],
"discovery_pitch": "TPSMB22A (Littelfuse) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
"author": {
"name": "Ray",
"email": "[email protected]"
},
"dependencies": {},
"hero": {
"type": "image",
"path": "docs/hero.png"
},
"files": [
"page.json",
"README.md",
"tpsmb22a.kicad_sym",
"tpsmb22a.kicad_mod",
"tpsmb22a.glb",
"tpsmb22a.step",
"tpsmb22a.lbr",
"docs/hero.png",
"docs/tpsmb22a-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"tpsmb22a-hero.glb",
"tpsmb22a-hero.overlay.json",
"tpsmb22a-etched.glb"
],
"visibility": {
"public": true
}
}